#pragma once

/* Some constant macros are used in both assembler and
 * C code.  Therefore we cannot annotate them always with
 * 'UL' and other type specifiers unilaterally.  We
 * use the following macros to deal with this.
 *
 * Similarly, _AT() will cast an expression with a type in C, but
 * leave it unchanged in asm.
 */

#ifdef __ASSEMBLY__
#define _AC(X, Y) X
#define _AT(T, X) X
#else
#define __AC(X, Y) (X##Y)
#define _AC(X, Y) __AC(X, Y)
#define _AT(T, X) ((T)(X))
#endif

#define _UL(x) (_AC(x, UL))
#define _ULL(x) (_AC(x, ULL))

#define _BITUL(x) (_UL(1) << (x))
#define _BITULL(x) (_ULL(1) << (x))

#define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (__typeof__(x))(a) - 1)
#define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask))

#define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
